6 个月
HowStuffWorks on MSNIs the American Flag Still on the Moon? Objects Astronauts Left BehindThe Apollo missions even contributed to pollution on the moon. There are estimated to be about 800 items still on the lunar ...
When the USA first sent astronauts to the Moon on Apollo 11, they wanted to plant an American flag on the surface. The problem was that a regular flag would look somewhat disappointing ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果